November 23, 2024 04:57 (IST)
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'Third World War has begun:' Ex-Ukraine military commander-in-chief Valery Zaluzhny | UK-India Free Trade Agreement negotiations to resume in early 2024 | UK can arrest Benjamin Netanyahu if he visits country based on ICC warrant | Centre to send over 10,000 additional soldiers to violence-hit Manipur amid fresh violence | Chhattisgarh: 10 Maoists killed during encounter with security forces in Sukma

NASA study: First direct proof of Ozone hole recovery due to chemicals ban

Washington, Jan 8 (IBNS): Measurements show that the decline in chlorine, resulting from an international ban on chlorine-containing manmade chemicals called chlorofluorocarbons (CFCs), has resulted in about 20 percent less ozone depletion during the Antarctic winter than there was in 2005 — the first year that measurements of chlorine and ozone during the Antarctic winter were made by NASA’s Aura satellite.